81912222

素因数分解:

$2^1\times 3^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{607}}^1$

素因数の和:652

約数の個数: 120

約数和(自身を含む): 226442304

約数和(自身を除く): 144530082

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 34, 42, 49, 51, 54, 63, 81, 98, 102, 119, 126, 147, 153, 162, 189, 238, 294, 306, 357, 378, 441, 459, 567, 607, 714, 833, 882, 918, 1071, 1134, 1214, 1323, 1377, 1666, 1821, 2142, 2499, 2646, 2754, 3213, 3642, 3969, 4249, 4998, 5463, 6426, 7497, 7938, 8498, 9639, 10319, 10926, 12747, 14994, 16389, 19278, 20638, 22491, 25494, 29743, 30957, 32778, 38241, 44982, 49167, 59486, 61914, 67473, 72233, 76482, 89229, 92871, 98334, 114723, 134946, 144466, 178458, 185742, 216699, 229446, 267687, 278613, 344169, 433398, 505631, 535374, 557226, 650097, 688338, 803061, 835839, 1011262, 1300194, 1516893, 1606122, 1671678, 1950291, 2409183, 3033786, 3900582, 4550679, 4818366, 5850873, 9101358, 11701746, 13652037, 27304074, 40956111, 81912222]

約数ペア:

[(1, 81912222), (2, 40956111), (3, 27304074), (6, 13652037), (7, 11701746), (9, 9101358), (14, 5850873), (17, 4818366), (18, 4550679), (21, 3900582), (27, 3033786), (34, 2409183), (42, 1950291), (49, 1671678), (51, 1606122), (54, 1516893), (63, 1300194), (81, 1011262), (98, 835839), (102, 803061), (119, 688338), (126, 650097), (147, 557226), (153, 535374), (162, 505631), (189, 433398), (238, 344169), (294, 278613), (306, 267687), (357, 229446), (378, 216699), (441, 185742), (459, 178458), (567, 144466), (607, 134946), (714, 114723), (833, 98334), (882, 92871), (918, 89229), (1071, 76482), (1134, 72233), (1214, 67473), (1323, 61914), (1377, 59486), (1666, 49167), (1821, 44982), (2142, 38241), (2499, 32778), (2646, 30957), (2754, 29743), (3213, 25494), (3642, 22491), (3969, 20638), (4249, 19278), (4998, 16389), (5463, 14994), (6426, 12747), (7497, 10926), (7938, 10319), (8498, 9639)]